The Washer,shouldered and Recessed, cataloged under National Stock Number 5310-00-349-4606, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-349-4606 |
| Primary Part Number | 92541P20 |
| Item Name | Washer,shouldered and Recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
| Status | ACTIVE |
| Shoulder Height | 0.104 INCHES NOMINAL IN |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| Style Designator | SHOULDERED AND RECESSED |
| Material Document and Classification | AMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 5.110 INCHES MINIMUM AND 5.130 INCHES MAXIMUM IN |
| Material Thickness | 0.175 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN |
| Shoulder Diameter | 3.496 INCHES MINIMUM AND 3.498 INCHES MAXIMUM IN |
| Recess Diameter | 3.570 INCHES MINIMUM AND 3.590 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Hole Diameter | 3.290 INCHES MINIMUM AND 3.310 INCHES MAXIMUM IN |
| Recess Angle | 30.0 DEGREES NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 92541P20 PRIMARY | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
| 92541P20W | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 92541P020W | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
| 92541P020W | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 92541P20 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| AS92541P20W | 5/9 Secondary reference Aircraft Supplies |
NSN 5310-00-349-4606 is a Washer,shouldered and Recessed, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-349-4606 has 4 manufacturer part numbers on file: 92541P20 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 92541P20W (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 92541P020W (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 92541P020W (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 92541P20: Shoulder Height: 0.104 INCHES NOMINAL IN; Hardness Rating: 30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM; Style Designator: SHOULDERED AND RECESSED; Material Document and Classification: AMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 11 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.